Perl获取微信小程序二维码
微信小程序API:
https://mp.weixin.qq.com/debug/wxadoc/dev/api/qrcode.html
# 参数 $path即页面路径,比如:"pages/index?query=1"
sub get_wxa_code {
my ($fid, $path) = @_;
my $ret = get_access_token(); #获取access_token
my $image_fid = "";
my $json = JSON->new();
if (length($ret->{access_token})) {
my $post_data;
$post_data->{path} = $path;
#$post_data->{width} = 430;
#$post_data->{auth_color} = 1;
#$post_data->{line_color} = {"r"=>"0","g"=>"0","b"=>"0"};
my $param_json_str =$json->encode($post_data);
my $header = HTTP::Headers->new( Content_Type => 'application/json; charset=utf8', );
my $http_request = HTTP::Request->new( POST => "https://api.weixin.qq.com/wxa/getwxacode?access_token=".$ret->{access_token}, $header, $param_json_str );
my $ua = LWP::UserAgent->new(ssl_opts => { verify_hostname => 0, SSL_verify_mode => 0x00 });
$ua->timeout(3);
my $response = $ua->request($http_request);
if ($response->message ne "OK" && $response->is_success ne "1") { #出错,或者timeout了
return "timeout";
} else { # 如果成功,则返回的是图片对应的二进制内容,这里直接写到文件保存
my $file = "/var/www/wechat/files/".$fid; #目录要有读写权限
open(LOCAL, ">$file");
binmode(LOCAL); #内容为二进制格式
print LOCAL $response->content();
close LOCAL;
if (-s $file ) { #判断是否写成功
$image_fid = $fid;
} else {
return "write file failed";
}
}
} else {
return "get access_token failed";
}
return $image_fid;
}
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